December weather forecastArzon, France

December

Weather in December

Sea temperature

In Arzon, France, in December, the average water temperature is 12.4°C (54.3°F).
Note: Swimming in 12.4°C (54.3°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

December has the shortest days of the year in Arzon, with an average of 8h and 30min of daylight.
On the first day of December in Arzon, sunrise is at 08:39 and sunset at 17:22. On the last day of the month, sunrise is at 08:59 and sunset at 17:30 CET.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Arzon, the average seawater temperature in December is 12.4°C (54.3°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

With an average of 8h and 30min of daylight, December has the shortest days of the year in Arzon, France.

The average day length in December in Arzon, France, is 8h and 31min.

In December, on the first day of the month, sunrise is at 08:39 and sunset at 17:22. On the last day of the month, in Arzon, France, sunrise is at 08:59 and sunset at 17:30 CET.

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Average sea temperature

Average daylight

Average sea temperature in December
Arzon, France

Average sea temperature in December: 12.4°C

The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is February (9.5°C).

Average daylight in December
Arzon, France

Average daylight in December: 8h and 30min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).